encoder library

Revision:
1:5dde31466ecb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun May 30 07:32:02 2021 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/e95d10626187
\ No newline at end of file